static TextBreakIterator* setTextForIterator(TextBreakIterator& iterator, StringView string)
{
if (string.is8Bit()) {
UTextWithBuffer textLocal;
textLocal.text = UTEXT_INITIALIZER;
textLocal.text.extraSize = sizeof(textLocal.buffer);
textLocal.text.pExtra = textLocal.buffer;
UErrorCode openStatus = U_ZERO_ERROR;
UText* text = openLatin1UTextProvider(&textLocal, string.characters8(), string.length(), &openStatus);
if (U_FAILURE(openStatus)) {
LOG_ERROR("uTextOpenLatin1 failed with status %d", openStatus);
return nullptr;
}
UErrorCode setTextStatus = U_ZERO_ERROR;
ubrk_setUText(reinterpret_cast<UBreakIterator*>(&iterator), text, &setTextStatus);
if (U_FAILURE(setTextStatus)) {
LOG_ERROR("ubrk_setUText failed with status %d", setTextStatus);
return nullptr;
}
utext_close(text);
} else {
UErrorCode setTextStatus = U_ZERO_ERROR;
ubrk_setText(reinterpret_cast<UBreakIterator*>(&iterator), string.characters16(), string.length(), &setTextStatus);
if (U_FAILURE(setTextStatus))
return nullptr;
}
return &iterator;
}
static UBreakIterator* setContextAwareTextForIterator(UBreakIterator& iterator, StringView string, const UChar* priorContext, unsigned priorContextLength)
{
if (string.is8Bit()) {
UTextWithBuffer textLocal;
textLocal.text = UTEXT_INITIALIZER;
textLocal.text.extraSize = sizeof(textLocal.buffer);
textLocal.text.pExtra = textLocal.buffer;
UErrorCode openStatus = U_ZERO_ERROR;
UText* text = openLatin1ContextAwareUTextProvider(&textLocal, string.characters8(), string.length(), priorContext, priorContextLength, &openStatus);
if (U_FAILURE(openStatus)) {
LOG_ERROR("openLatin1ContextAwareUTextProvider failed with status %d", openStatus);
return nullptr;
}
UErrorCode setTextStatus = U_ZERO_ERROR;
ubrk_setUText(&iterator, text, &setTextStatus);
if (U_FAILURE(setTextStatus)) {
LOG_ERROR("ubrk_setUText failed with status %d", setTextStatus);
return nullptr;
}
utext_close(text);
} else {
UText textLocal = UTEXT_INITIALIZER;
UErrorCode openStatus = U_ZERO_ERROR;
UText* text = openUTF16ContextAwareUTextProvider(&textLocal, string.characters16(), string.length(), priorContext, priorContextLength, &openStatus);
if (U_FAILURE(openStatus)) {
LOG_ERROR("openUTF16ContextAwareUTextProvider failed with status %d", openStatus);
return 0;
}
UErrorCode setTextStatus = U_ZERO_ERROR;
ubrk_setUText(&iterator, text, &setTextStatus);
if (U_FAILURE(setTextStatus)) {
LOG_ERROR("ubrk_setUText failed with status %d", setTextStatus);
return nullptr;
}
utext_close(text);
}
return &iterator;
}
static void TestBreakIteratorRefresh(void) {
/*
* RefreshInput changes out the input of a Break Iterator without
* changing anything else in the iterator's state. Used with Java JNI,
* when Java moves the underlying string storage. This test
* runs a ubrk_next() repeatedly, moving the text in the middle of the sequence.
* The right set of boundaries should still be found.
*/
UChar testStr[] = {0x20, 0x41, 0x20, 0x42, 0x20, 0x43, 0x20, 0x44, 0x0}; /* = " A B C D" */
UChar movedStr[] = {0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0};
UErrorCode status = U_ZERO_ERROR;
UBreakIterator *bi;
UText ut1 = UTEXT_INITIALIZER;
UText ut2 = UTEXT_INITIALIZER;
bi = ubrk_open(UBRK_LINE, "en_US", NULL, 0, &status);
TEST_ASSERT_SUCCESS(status);
if (U_FAILURE(status)) {
return;
}
utext_openUChars(&ut1, testStr, -1, &status);
TEST_ASSERT_SUCCESS(status);
ubrk_setUText(bi, &ut1, &status);
TEST_ASSERT_SUCCESS(status);
if (U_SUCCESS(status)) {
/* Line boundaries will occur before each letter in the original string */
TEST_ASSERT(1 == ubrk_next(bi));
TEST_ASSERT(3 == ubrk_next(bi));
/* Move the string, kill the original string. */
u_strcpy(movedStr, testStr);
u_memset(testStr, 0x20, u_strlen(testStr));
utext_openUChars(&ut2, movedStr, -1, &status);
TEST_ASSERT_SUCCESS(status);
ubrk_refreshUText(bi, &ut2, &status);
TEST_ASSERT_SUCCESS(status);
/* Find the following matches, now working in the moved string. */
TEST_ASSERT(5 == ubrk_next(bi));
TEST_ASSERT(7 == ubrk_next(bi));
TEST_ASSERT(8 == ubrk_next(bi));
TEST_ASSERT(UBRK_DONE == ubrk_next(bi));
TEST_ASSERT_SUCCESS(status);
utext_close(&ut1);
utext_close(&ut2);
}
ubrk_close(bi);
}
/*
* static void TestBreakIteratorUText(void);
*
* Test that ubrk_setUText() is present and works for a simple case.
*/
static void TestBreakIteratorUText(void) {
const char *UTF8Str = "\x41\xc3\x85\x5A\x20\x41\x52\x69\x6E\x67"; /* c3 85 is utf-8 for A with a ring on top */
/* 0 1 2 34567890 */
UErrorCode status = U_ZERO_ERROR;
UBreakIterator *bi = NULL;
int32_t pos = 0;
UText *ut = utext_openUTF8(NULL, UTF8Str, -1, &status);
TEST_ASSERT_SUCCESS(status);
bi = ubrk_open(UBRK_WORD, "en_US", NULL, 0, &status);
if (U_FAILURE(status)) {
log_err_status(status, "Failure at file %s, line %d, error = %s\n", __FILE__, __LINE__, u_errorName(status));
return;
}
ubrk_setUText(bi, ut, &status);
if (U_FAILURE(status)) {
log_err("Failure at file %s, line %d, error = %s\n", __FILE__, __LINE__, u_errorName(status));
return;
}
pos = ubrk_first(bi);
TEST_ASSERT(pos == 0);
pos = ubrk_next(bi);
TEST_ASSERT(pos == 4);
pos = ubrk_next(bi);
TEST_ASSERT(pos == 5);
pos = ubrk_next(bi);
TEST_ASSERT(pos == 10);
pos = ubrk_next(bi);
TEST_ASSERT(pos == UBRK_DONE);
ubrk_close(bi);
utext_close(ut);
}
U_CAPI int32_t U_EXPORT2
ucasemap_utf8ToTitle(UCaseMap *csm,
char *dest, int32_t destCapacity,
const char *src, int32_t srcLength,
UErrorCode *pErrorCode) {
UText utext=UTEXT_INITIALIZER;
utext_openUTF8(&utext, (const char *)src, srcLength, pErrorCode);
if(U_FAILURE(*pErrorCode)) {
return 0;
}
if(csm->iter==NULL) {
csm->iter=ubrk_open(UBRK_WORD, csm->locale,
NULL, 0,
pErrorCode);
}
ubrk_setUText(csm->iter, &utext, pErrorCode);
int32_t length=ucasemap_mapUTF8(csm,
(uint8_t *)dest, destCapacity,
(const uint8_t *)src, srcLength,
ucasemap_internalUTF8ToTitle, pErrorCode);
utext_close(&utext);
return length;
}
/*
* Internal titlecasing function.
*/
static int32_t
_toTitle(UCaseMap *csm,
uint8_t *dest, int32_t destCapacity,
const uint8_t *src, UCaseContext *csc,
int32_t srcLength,
UErrorCode *pErrorCode) {
UText utext=UTEXT_INITIALIZER;
const UChar *s;
UChar32 c;
int32_t prev, titleStart, titleLimit, idx, destIndex, length;
UBool isFirstIndex;
utext_openUTF8(&utext, (const char *)src, srcLength, pErrorCode);
if(U_FAILURE(*pErrorCode)) {
return 0;
}
if(csm->iter==NULL) {
csm->iter=ubrk_open(UBRK_WORD, csm->locale,
NULL, 0,
pErrorCode);
}
ubrk_setUText(csm->iter, &utext, pErrorCode);
if(U_FAILURE(*pErrorCode)) {
utext_close(&utext);
return 0;
}
/* set up local variables */
destIndex=0;
prev=0;
isFirstIndex=TRUE;
/* titlecasing loop */
while(prev<srcLength) {
/* find next index where to titlecase */
if(isFirstIndex) {
isFirstIndex=FALSE;
idx=ubrk_first(csm->iter);
} else {
idx=ubrk_next(csm->iter);
}
if(idx==UBRK_DONE || idx>srcLength) {
idx=srcLength;
}
/*
* Unicode 4 & 5 section 3.13 Default Case Operations:
*
* R3 toTitlecase(X): Find the word boundaries based on Unicode Standard Annex
* #29, "Text Boundaries." Between each pair of word boundaries, find the first
* cased character F. If F exists, map F to default_title(F); then map each
* subsequent character C to default_lower(C).
*
* In this implementation, segment [prev..index[ into 3 parts:
* a) uncased characters (copy as-is) [prev..titleStart[
* b) first case letter (titlecase) [titleStart..titleLimit[
* c) subsequent characters (lowercase) [titleLimit..index[
*/
if(prev<idx) {
/* find and copy uncased characters [prev..titleStart[ */
titleStart=titleLimit=prev;
U8_NEXT(src, titleLimit, idx, c);
if((csm->options&U_TITLECASE_NO_BREAK_ADJUSTMENT)==0 && UCASE_NONE==ucase_getType(csm->csp, c)) {
/* Adjust the titlecasing index (titleStart) to the next cased character. */
for(;;) {
titleStart=titleLimit;
if(titleLimit==idx) {
/*
* only uncased characters in [prev..index[
* stop with titleStart==titleLimit==index
*/
break;
}
U8_NEXT(src, titleLimit, idx, c);
if(UCASE_NONE!=ucase_getType(csm->csp, c)) {
break; /* cased letter at [titleStart..titleLimit[ */
}
}
length=titleStart-prev;
if(length>0) {
if((destIndex+length)<=destCapacity) {
uprv_memcpy(dest+destIndex, src+prev, length);
}
destIndex+=length;
}
}
if(titleStart<titleLimit) {
/* titlecase c which is from [titleStart..titleLimit[ */
csc->cpStart=titleStart;
csc->cpLimit=titleLimit;
c=ucase_toFullTitle(csm->csp, c, utf8_caseContextIterator, csc, &s, csm->locale, &csm->locCache);
destIndex=appendResult(dest, destIndex, destCapacity, c, s);
/* Special case Dutch IJ titlecasing */
if ( titleStart+1 < idx &&
ucase_getCaseLocale(csm->locale,&csm->locCache) == UCASE_LOC_DUTCH &&
( src[titleStart] == 0x0049 || src[titleStart] == 0x0069 ) &&
( src[titleStart+1] == 0x004A || src[titleStart+1] == 0x006A )) {
c=0x004A;
destIndex=appendResult(dest, destIndex, destCapacity, c, s);
titleLimit++;
}
/* lowercase [titleLimit..index[ */
if(titleLimit<idx) {
if((csm->options&U_TITLECASE_NO_LOWERCASE)==0) {
/* Normal operation: Lowercase the rest of the word. */
destIndex+=
_caseMap(
csm, ucase_toFullLower,
dest+destIndex, destCapacity-destIndex,
src, csc,
titleLimit, idx,
pErrorCode);
} else {
/* Optionally just copy the rest of the word unchanged. */
length=idx-titleLimit;
if((destIndex+length)<=destCapacity) {
uprv_memcpy(dest+destIndex, src+titleLimit, length);
}
destIndex+=length;
}
}
}
}
prev=idx;
}
if(destIndex>destCapacity) {
*pErrorCode=U_BUFFER_OVERFLOW_ERROR;
}
utext_close(&utext);
return destIndex;
}
static void TestBreakIteratorCAPI()
{
UErrorCode status = U_ZERO_ERROR;
UBreakIterator *word, *sentence, *line, *character, *b, *bogus;
int32_t start,pos,end,to;
int32_t i;
int32_t count = 0;
UChar text[50];
/* Note: the adjacent "" are concatenating strings, not adding a \" to the
string, which is probably what whoever wrote this intended. Don't fix,
because it would throw off the hard coded break positions in the following
tests. */
u_uastrcpy(text, "He's from Africa. ""Mr. Livingston, I presume?"" Yeah");
/*test ubrk_open()*/
log_verbose("\nTesting BreakIterator open functions\n");
/* Use french for fun */
word = ubrk_open(UBRK_WORD, "en_US", text, u_strlen(text), &status);
if(status == U_FILE_ACCESS_ERROR) {
log_data_err("Check your data - it doesn't seem to be around\n");
return;
} else if(U_FAILURE(status)){
log_err_status(status, "FAIL: Error in ubrk_open() for word breakiterator: %s\n", myErrorName(status));
}
else{
log_verbose("PASS: Successfully opened word breakiterator\n");
}
sentence = ubrk_open(UBRK_SENTENCE, "en_US", text, u_strlen(text), &status);
if(U_FAILURE(status)){
log_err_status(status, "FAIL: Error in ubrk_open() for sentence breakiterator: %s\n", myErrorName(status));
return;
}
else{
log_verbose("PASS: Successfully opened sentence breakiterator\n");
}
line = ubrk_open(UBRK_LINE, "en_US", text, u_strlen(text), &status);
if(U_FAILURE(status)){
log_err("FAIL: Error in ubrk_open() for line breakiterator: %s\n", myErrorName(status));
return;
}
else{
log_verbose("PASS: Successfully opened line breakiterator\n");
}
character = ubrk_open(UBRK_CHARACTER, "en_US", text, u_strlen(text), &status);
if(U_FAILURE(status)){
log_err("FAIL: Error in ubrk_open() for character breakiterator: %s\n", myErrorName(status));
return;
}
else{
log_verbose("PASS: Successfully opened character breakiterator\n");
}
/*trying to open an illegal iterator*/
bogus = ubrk_open((UBreakIteratorType)5, "en_US", text, u_strlen(text), &status);
if(U_SUCCESS(status)){
log_err("FAIL: Error in ubrk_open() for BOGUS breakiterator. Expected U_ILLEGAL_ARGUMENT_ERROR\n");
}
if(U_FAILURE(status)){
if(status != U_ILLEGAL_ARGUMENT_ERROR){
log_err("FAIL: Error in ubrk_open() for BOGUS breakiterator. Expected U_ILLEGAL_ARGUMENT_ERROR\n Got %s\n", myErrorName(status));
}
}
status=U_ZERO_ERROR;
/* ======= Test ubrk_countAvialable() and ubrk_getAvialable() */
log_verbose("\nTesting ubrk_countAvailable() and ubrk_getAvailable()\n");
count=ubrk_countAvailable();
/* use something sensible w/o hardcoding the count */
if(count < 0){
log_err("FAIL: Error in ubrk_countAvialable() returned %d\n", count);
}
else{
log_verbose("PASS: ubrk_countAvialable() successful returned %d\n", count);
}
for(i=0;i<count;i++)
{
log_verbose("%s\n", ubrk_getAvailable(i));
if (ubrk_getAvailable(i) == 0)
log_err("No locale for which breakiterator is applicable\n");
else
log_verbose("A locale %s for which breakiterator is applicable\n",ubrk_getAvailable(i));
}
/*========Test ubrk_first(), ubrk_last()...... and other functions*/
log_verbose("\nTesting the functions for word\n");
start = ubrk_first(word);
if(start!=0)
log_err("error ubrk_start(word) did not return 0\n");
log_verbose("first (word = %d\n", (int32_t)start);
pos=ubrk_next(word);
if(pos!=4)
log_err("error ubrk_next(word) did not return 4\n");
log_verbose("next (word = %d\n", (int32_t)pos);
pos=ubrk_following(word, 4);
if(pos!=5)
log_err("error ubrl_following(word,4) did not return 6\n");
log_verbose("next (word = %d\n", (int32_t)pos);
end=ubrk_last(word);
if(end!=49)
log_err("error ubrk_last(word) did not return 49\n");
log_verbose("last (word = %d\n", (int32_t)end);
pos=ubrk_previous(word);
log_verbose("%d %d\n", end, pos);
pos=ubrk_previous(word);
log_verbose("%d \n", pos);
if (ubrk_isBoundary(word, 2) != FALSE) {
log_err("error ubrk_isBoundary(word, 2) did not return FALSE\n");
}
pos=ubrk_current(word);
if (pos != 4) {
log_err("error ubrk_current() != 4 after ubrk_isBoundary(word, 2)\n");
}
if (ubrk_isBoundary(word, 4) != TRUE) {
log_err("error ubrk_isBoundary(word, 4) did not return TRUE\n");
}
log_verbose("\nTesting the functions for character\n");
ubrk_first(character);
pos = ubrk_following(character, 5);
if(pos!=6)
log_err("error ubrk_following(character,5) did not return 6\n");
log_verbose("Following (character,5) = %d\n", (int32_t)pos);
pos=ubrk_following(character, 18);
if(pos!=19)
log_err("error ubrk_following(character,18) did not return 19\n");
log_verbose("Followingcharacter,18) = %d\n", (int32_t)pos);
pos=ubrk_preceding(character, 22);
if(pos!=21)
log_err("error ubrk_preceding(character,22) did not return 21\n");
log_verbose("preceding(character,22) = %d\n", (int32_t)pos);
log_verbose("\nTesting the functions for line\n");
pos=ubrk_first(line);
if(pos != 0)
log_err("error ubrk_first(line) returned %d, expected 0\n", (int32_t)pos);
pos = ubrk_next(line);
pos=ubrk_following(line, 18);
if(pos!=22)
log_err("error ubrk_following(line) did not return 22\n");
log_verbose("following (line) = %d\n", (int32_t)pos);
log_verbose("\nTesting the functions for sentence\n");
ubrk_first(sentence);
pos = ubrk_current(sentence);
log_verbose("Current(sentence) = %d\n", (int32_t)pos);
pos = ubrk_last(sentence);
if(pos!=49)
log_err("error ubrk_last for sentence did not return 49\n");
log_verbose("Last (sentence) = %d\n", (int32_t)pos);
ubrk_first(sentence);
to = ubrk_following( sentence, 0 );
if (to == 0) log_err("ubrk_following returned 0\n");
to = ubrk_preceding( sentence, to );
if (to != 0) log_err("ubrk_preceding didn't return 0\n");
if (ubrk_first(sentence)!=ubrk_current(sentence)) {
log_err("error in ubrk_first() or ubrk_current()\n");
}
/*---- */
/*Testing ubrk_open and ubrk_close()*/
log_verbose("\nTesting open and close for us locale\n");
b = ubrk_open(UBRK_WORD, "fr_FR", text, u_strlen(text), &status);
if (U_FAILURE(status)) {
log_err("ubrk_open for word returned NULL: %s\n", myErrorName(status));
}
ubrk_close(b);
/* Test setText and setUText */
{
UChar s1[] = {0x41, 0x42, 0x20, 0};
UChar s2[] = {0x41, 0x42, 0x43, 0x44, 0x45, 0};
UText *ut = NULL;
UBreakIterator *bb;
int j;
log_verbose("\nTesting ubrk_setText() and ubrk_setUText()\n");
status = U_ZERO_ERROR;
bb = ubrk_open(UBRK_WORD, "en_US", NULL, 0, &status);
TEST_ASSERT_SUCCESS(status);
ubrk_setText(bb, s1, -1, &status);
TEST_ASSERT_SUCCESS(status);
ubrk_first(bb);
j = ubrk_next(bb);
TEST_ASSERT(j == 2);
ut = utext_openUChars(ut, s2, -1, &status);
ubrk_setUText(bb, ut, &status);
TEST_ASSERT_SUCCESS(status);
j = ubrk_next(bb);
TEST_ASSERT(j == 5);
ubrk_close(bb);
utext_close(ut);
}
ubrk_close(word);
ubrk_close(sentence);
ubrk_close(line);
ubrk_close(character);
}